Detonation 101

[JTesta1966 at aol.com]

OK, looking again it does look pretty overheated, note the scoring on the 
cylinder wall. I'm thinking it overheated, a seat dropped, smacked off a 
valve face and the rest is history. I also see a popped firing ring cyl 2 
evidenced by the wormtrail so it was prolly pushed and/or limped too long.

Honda's arent interference motors (stock anyway) so I doubt this is from a 
timing belt or other faulty cam/crank timing problems.
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